What do you call it when a substance goes from solid to liquid?
Melting
100
What are the male and female gametes?
Sperm and ova (egg cells)
100
What is the more common term for Aurora Borealis?
Northern lights
100
This is the point on which a lever rests or is supported and on which it pivots.
Fulcrum
100
This is what you call the process of changing energy from one of its forms into another.
Energy transformation/conversion
200
This is a type of change that occurs when a new substance is formed. It is also usually irreversible.
Chemical change
200
What is the relationship between a chromosome and genes?
A chromosome is a strand of DNA that is encoded with genes
200
This is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun.
Solar eclipse
200
These are materials or substances used in the primary production or manufacturing of goods
Raw material
200
This planet's surface is characterized by dust storms, large volcanoes and deep valleys
Mars
300
What is the unit of measurement for energy?
Joule
300
Hepatitis B and HIV are both examples of ______ diseases
Bloodborne diseases
300
Name 2 of the phases in a lunar cycle.
Full moon, first quarter, new moon, last quarter
300
A pulley and belt system is an example of motion ________.
motion transmission
300
What is the difference between reflection and refraction?
In reflection, the light waves bounce off the surface. In refraction, the waves pass through the surface which changes their speed and direction.
400
Define a mixture (as used in Science class) and give an example.
A mixture is a substance made by combining two or more different materials in such a way that no chemical reaction occurs. A mixture can usually be separated back into its original components. Some examples of mixtures are a tossed salad, salt water and a mixed bag of M&M's candy.
400
This is the science dealing with description, identification, and classification of living things.
Taxonomy
400
Which planet is closest to the sun and which is furthest? (not including the dwarf planet, Pluto)
Mercury and Neptune
400
Give two examples of the six classic simple machines
the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw.
400
What causes the Day/Night Cycle on Earth?
The alternation between day and night is caused by the rotation of the Earth on its axis.
This allows the user to determine the identity of items using a sequence of alternative choices. It is constructed using contrasting characteristics to divide the organisms in the key into smaller and smaller groups; each time a choice is made, a number of organisms are eliminated.
Dichotomous key
500
This law by Newton states that any two objects exert a gravitational force of attraction on each other
Newton's law of Universal gravitation
500
This type of motion is moving in a straight line, such as on a paper trimmer.